Dismiss any incoming Windows SmartScreen or User Account Control (UAC) security warnings by selecting or Run Anyway .
(also known as RDA or Spreadtrum clone) devices are typically older Chinese feature phones or cloned smartphones. Because these chips are older and often "cracked" versions of legitimate hardware, official digitally signed drivers for Windows 10 and 11 do not exist.
Depending on the package you downloaded, you will use either an automated installer or a manual setup via the Windows Device Manager. Method A: Using the Executable Installer (If Available) coolsand rda usb driver 64-bit windows 10
Follow the on-screen prompts, clicking "Next" through the setup wizard.
The Coolsand RDA driver acts as a communication bridge between your PC and any hardware utilizing RDA/Rdamicro chipsets. Without it, Windows cannot "talk" to the phone's internal processor through the USB port. Dismiss any incoming Windows SmartScreen or User Account
: Connect your device. It may appear under "Other Devices" with a yellow exclamation mark .
You’ve successfully convinced Windows 10 64-bit to speak an archaic dialect of USB-serial to a forgotten baseband chip. That blinking LED on your resurrected Coolsand feature phone? It’s a tiny victory salute. Depending on the package you downloaded, you will
To install the on a 64-bit Windows 10 system, you will typically need to manually add the driver as "legacy hardware" since these drivers often lack modern digital signatures. Driver Download Options
Since the driver is unsigned, permanent disablement is not recommended for security reasons. Use the temporary method:
If you frequently use CoolSand RDA devices, you can enable to permanently allow unsigned drivers:
: If the device isn't recognized, uninstall any previously installed RDA or Coolsand drivers from your system before a fresh install.